V-Lab
PowerBank Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
72.56%
decreased by 4.45%
1 Week
81.41%
increased by 4.40%
1 Month
99.15%
increased by 22.14%
Analysis last updated: Friday, August 14, 2026 at 09:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Aug 14, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 167% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.7569 | 6.42*** |
α ARCH Response to squared shocks | 0.3324 | 5.54*** |
β GARCH Volatility persistence | 0.6849 | 19.99*** |
γ leverage Additional response to negative shocks | -0.2078 | -3.58*** |
Persistence:
0.913
Half-life:
8 days
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